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Details

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Author

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1		-XWiki.Edwin
	1	+XWiki.Xiaoling

Content

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1		-{{box cssClass="floatinginfobox" title="**Contents**"}}
	1	+
	2	+
	3	+**Table of Contents:**
	4	+
2	2	{{toc/}}
3		-{{/box}}
4	4
5		-= LA66 LoRaWAN Module =
6	6
7		-== What is LA66 LoRaWAN Module ==
8	8
	9	+= 1.  LA66 LoRaWAN Module =
	10	+
	11	+
	12	+== 1.1  What is LA66 LoRaWAN Module ==
	13	+
	14	+
	15	+(((
	16	+(((
	17	+[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
	18	+)))
	19	+
	20	+(((
	21	+
	22	+)))
	23	+
	24	+(((
9	9	(% style="color:blue" %)**Dragino LA66**(%%) is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere.
	26	+)))
	27	+)))
10	10
11		-(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
	29	+(((
	30	+(((
	31	+(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
	32	+)))
	33	+)))
12	12
	35	+(((
	36	+(((
13	13	Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	38	+)))
14	14
	40	+(((
15	15	Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
	42	+)))
	43	+)))
16	16
	45	+(((
	46	+(((
17	17	LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	48	+)))
	49	+)))
18	18
19		-== Features ==
20	20
21	21
22		-== Specification ==
	53	+== 1.2  Features ==
23	23
	55	+* Support LoRaWAN v1.0.4 protocol
	56	+* Support peer-to-peer protocol
	57	+* TCXO crystal to ensure RF performance on low temperature
	58	+* SMD Antenna pad and i-pex antenna connector
	59	+* Available in different frequency LoRaWAN frequency bands.
	60	+* World-wide unique OTAA keys.
	61	+* AT Command via UART-TTL interface
	62	+* Firmware upgradable via UART interface
	63	+* Ultra-long RF range
	64	+
	65	+
	66	+
	67	+
	68	+
	69	+== 1.3  Specification ==
	70	+
	71	+* CPU: 32-bit 48 MHz
	72	+* Flash: 256KB
	73	+* RAM: 64KB
24	24	* Input Power Range: 1.8v ~~ 3.7v
25	25	* Power Consumption: < 4uA.
26	26	* Frequency Range: 150 MHz ~~ 960 MHz
...	...	@@ -37,220 +37,652 @@
37	37	* I/O Voltage: 3.3v
38	38
39	39
40		-== AT Command ==
41	41
	91	+
	92	+
	93	+== 1.4  AT Command ==
	94	+
	95	+
42	42	AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
43	43
44	44
45		-== Dimension ==
46	46
47		-[[image:image-20220517072526-1.png]]
	100	+== 1.5  Dimension ==
48	48
	102	+[[image:image-20220718094750-3.png]]
49	49
50		-== Pin Mapping ==
51	51
52		-[[image:image-20220523101537-1.png]]
53	53
54		-== Land Pattern ==
	106	+== 1.6  Pin Mapping ==
55	55
	108	+[[image:image-20220720111850-1.png]]
	109	+
	110	+
	111	+
	112	+== 1.7  Land Pattern ==
	113	+
56	56	[[image:image-20220517072821-2.png]]
57	57
58	58
59		-== Part Number ==
60	60
61		-Part Number: **LA66-XXX**
	118	+= 2.  LA66 LoRaWAN Shield =
62	62
63		-**XX**: The default frequency band
64	64
65		-* **AS923**: LoRaWAN AS923 band
66		-* **AU915**: LoRaWAN AU915 band
67		-* **EU433**: LoRaWAN EU433 band
68		-* **EU868**: LoRaWAN EU868 band
69		-* **KR920**: LoRaWAN KR920 band
70		-* **US915**: LoRaWAN US915 band
71		-* **IN865**: LoRaWAN IN865 band
72		-* **CN470**: LoRaWAN CN470 band
	121	+== 2.1  Overview ==
73	73
74		-= LA66 LoRaWAN Shield =
75	75
76		-LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
	124	+(((
	125	+[[image:image-20220715000826-2.png||height="145" width="220"]]
	126	+)))
77	77
78		-== Pin Mapping & LED ==
	128	+(((
	129	+
	130	+)))
79	79
80		-== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
	132	+(((
	133	+(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to  Arduino projects.
	134	+)))
81	81
82		-== Example: Join TTN network and send an uplink message, get downlink message. ==
	136	+(((
	137	+(((
	138	+(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely.  This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
	139	+)))
	140	+)))
83	83
84		-== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
	142	+(((
	143	+(((
	144	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	145	+)))
	146	+)))
85	85
86		-== Upgrade Firmware of LA66 LoRaWAN Shield ==
	148	+(((
	149	+(((
	150	+Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
	151	+)))
	152	+)))
87	87
88		-=== what needs to be used ===
	154	+(((
	155	+(((
	156	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	157	+)))
	158	+)))
89	89
90		-1.LA66 LoRaWAN Shield that needs to be upgraded
91	91
92		-2.Arduino
93	93
94		-3.USB TO TTL
	162	+== 2.2  Features ==
95	95
96		-[[image:image-20220602100052-2.png]]
	164	+* Arduino Shield base on LA66 LoRaWAN module
	165	+* Support LoRaWAN v1.0.4 protocol
	166	+* Support peer-to-peer protocol
	167	+* TCXO crystal to ensure RF performance on low temperature
	168	+* SMA connector
	169	+* Available in different frequency LoRaWAN frequency bands.
	170	+* World-wide unique OTAA keys.
	171	+* AT Command via UART-TTL interface
	172	+* Firmware upgradable via UART interface
	173	+* Ultra-long RF range
97	97
98		-=== Wiring Schematic ===
99	99
100		-[[image:image-20220602101311-3.png]]
101	101
102		-LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
103	103
104		-GND  >>>>>>>>>>>>GND
105	105
106		-TXD  >>>>>>>>>>>>TXD
	179	+== 2.3  Specification ==
107	107
108		-RXD  >>>>>>>>>>>>RXD
	181	+* CPU: 32-bit 48 MHz
	182	+* Flash: 256KB
	183	+* RAM: 64KB
	184	+* Input Power Range: 1.8v ~~ 3.7v
	185	+* Power Consumption: < 4uA.
	186	+* Frequency Range: 150 MHz ~~ 960 MHz
	187	+* Maximum Power +22 dBm constant RF output
	188	+* High sensitivity: -148 dBm
	189	+* Temperature:
	190	+** Storage: -55 ~~ +125℃
	191	+** Operating: -40 ~~ +85℃
	192	+* Humidity:
	193	+** Storage: 5 ~~ 95% (Non-Condensing)
	194	+** Operating: 10 ~~ 95% (Non-Condensing)
	195	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	196	+* LoRa Rx current: <9 mA
	197	+* I/O Voltage: 3.3v
109	109
110		-JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
111	111
112		-Connect to the PC after connecting the wires
113	113
114		-[[image:image-20220602102240-4.png]]
115	115
116		-=== Upgrade steps ===
117	117
118		-==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
	203	+== 2.4  LED ==
119	119
120		-[[image:image-20220602102824-5.png]]
121	121
122		-==== Press the RST switch on the LA66 LoRaWAN Shield once ====
	206	+~1. The LED lights up red when there is an upstream data packet
	207	+2. When the network is successfully connected, the green light will be on for 5 seconds
	208	+3. Purple light on when receiving downlink data packets
123	123
124		-[[image:image-20220602104701-12.png]]
125	125
126		-==== Open the upgrade application software ====
127	127
128		-Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]
	212	+== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
129	129
	214	+
	215	+**Show connection diagram：**
	216	+
	217	+
	218	+[[image:image-20220723170210-2.png||height="908" width="681"]]
	219	+
	220	+
	221	+
	222	+(% style="color:blue" %)**1.  open Arduino IDE**
	223	+
	224	+
	225	+[[image:image-20220723170545-4.png]]
	226	+
	227	+
	228	+
	229	+(% style="color:blue" %)**2.  Open project**
	230	+
	231	+
	232	+LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0>>https://www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0]]
	233	+
	234	+
	235	+
	236	+(% style="color:blue" %)**3.  Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload**
	237	+
	238	+
	239	+
	240	+(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
	241	+
	242	+
	243	+[[image:image-20220723172235-7.png||height="480" width="1027"]]
	244	+
	245	+
	246	+
	247	+== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
	248	+
	249	+
	250	+(% style="color:blue" %)**1.  Open project**
	251	+
	252	+
	253	+Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0>>https://www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0]]
	254	+
	255	+
	256	+[[image:image-20220723172502-8.png]]
	257	+
	258	+
	259	+
	260	+(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
	261	+
	262	+
	263	+[[image:image-20220723172938-9.png||height="652" width="1050"]]
	264	+
	265	+
	266	+
	267	+== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
	268	+
	269	+
	270	+(% style="color:blue" %)**1.  Open project**
	271	+
	272	+
	273	+Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0>>https://www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0]]
	274	+
	275	+
	276	+[[image:image-20220723173341-10.png||height="581" width="1014"]]
	277	+
	278	+
	279	+
	280	+(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
	281	+
	282	+
	283	+[[image:image-20220723173950-11.png||height="665" width="1012"]]
	284	+
	285	+
	286	+
	287	+(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
	288	+
	289	+For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
	290	+
	291	+[[image:image-20220723175700-12.png||height="602" width="995"]]
	292	+
	293	+
	294	+
	295	+== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
	296	+
	297	+
	298	+=== 2.8.1  Items needed for update ===
	299	+
	300	+
	301	+1. LA66 LoRaWAN Shield
	302	+1. Arduino
	303	+1. USB TO TTL Adapter
	304	+
	305	+[[image:image-20220602100052-2.png||height="385" width="600"]]
	306	+
	307	+
	308	+=== 2.8.2  Connection ===
	309	+
	310	+
	311	+[[image:image-20220602101311-3.png||height="276" width="600"]]
	312	+
	313	+
	314	+(((
	315	+(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
	316	+)))
	317	+
	318	+(((
	319	+(% style="background-color:yellow" %)**GND  <-> GND
	320	+TXD  <->  TXD
	321	+RXD  <->  RXD**
	322	+)))
	323	+
	324	+
	325	+Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
	326	+
	327	+Connect USB TTL Adapter to PC after connecting the wires
	328	+
	329	+
	330	+[[image:image-20220602102240-4.png||height="304" width="600"]]
	331	+
	332	+
	333	+=== 2.8.3  Upgrade steps ===
	334	+
	335	+
	336	+==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
	337	+
	338	+
	339	+[[image:image-20220602102824-5.png||height="306" width="600"]]
	340	+
	341	+
	342	+
	343	+==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
	344	+
	345	+
	346	+[[image:image-20220602104701-12.png||height="285" width="600"]]
	347	+
	348	+
	349	+
	350	+==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
	351	+
	352	+
	353	+(((
	354	+(% style="color:blue" %)**1. Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]**
	355	+)))
	356	+
	357	+
130	130	[[image:image-20220602103227-6.png]]
131	131
	360	+
132	132	[[image:image-20220602103357-7.png]]
133	133
134		-===== Select the COM port corresponding to USB TTL =====
135	135
	364	+
	365	+(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
	366	+(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
	367	+
	368	+
136	136	[[image:image-20220602103844-8.png]]
137	137
138		-===== Select the bin file to burn =====
139	139
	372	+
	373	+(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
	374	+(% style="color:blue" %)**3. Select the bin file to burn**
	375	+
	376	+
140	140	[[image:image-20220602104144-9.png]]
141	141
	379	+
142	142	[[image:image-20220602104251-10.png]]
143	143
	382	+
144	144	[[image:image-20220602104402-11.png]]
145	145
146		-===== Click to start the download =====
147	147
	386	+
	387	+(% class="wikigeneratedid" id="HClicktostartthedownload" %)
	388	+(% style="color:blue" %)**4. Click to start the download**
	389	+
148	148	[[image:image-20220602104923-13.png]]
149	149
150		-===== The following figure appears to prove that the burning is in progress =====
151	151
	393	+
	394	+(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
	395	+(% style="color:blue" %)**5. Check update process**
	396	+
	397	+
152	152	[[image:image-20220602104948-14.png]]
153	153
154		-===== The following picture appears to prove that the burning is successful =====
155	155
	401	+
	402	+(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
	403	+(% style="color:blue" %)**The following picture shows that the burning is successful**
	404	+
156	156	[[image:image-20220602105251-15.png]]
157	157
158		-= LA66 USB LoRaWAN Adapter =
159	159
160		-LA66 USB LoRaWAN Adapter is the USB Adapter for LA66, it combines a USB TTL Chip and LA66 module which can easy to test the LoRaWAN feature by using PC or embedded device which has USB Interface.
161	161
162		-Before use, please make sure that the computer has installed the CP2102 driver
	409	+= 3.  LA66 USB LoRaWAN Adapter =
163	163
164		-== Pin Mapping & LED ==
165	165
166		-== Example Send & Get Messages via LoRaWAN in PC ==
	412	+== 3.1  Overview ==
167	167
168		-Connect the LA66 LoRa Shield to the PC
169	169
170		-[[image:image-20220602171217-1.png||height="615" width="915"]]
	415	+[[image:image-20220715001142-3.png||height="145" width="220"]]
171	171
	417	+
	418	+(((
	419	+(% style="color:blue" %)**LA66 USB LoRaWAN Adapter**(%%) is designed to fast turn USB devices to support LoRaWAN wireless features. It combines a CP2101 USB TTL Chip and LA66 LoRaWAN module which can easy to add LoRaWAN wireless feature to PC / Mobile phone or an embedded device that has USB Interface.
	420	+)))
	421	+
	422	+(((
	423	+(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
	424	+)))
	425	+
	426	+(((
	427	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	428	+)))
	429	+
	430	+(((
	431	+Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
	432	+)))
	433	+
	434	+(((
	435	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	436	+)))
	437	+
	438	+
	439	+
	440	+== 3.2  Features ==
	441	+
	442	+* LoRaWAN USB adapter base on LA66 LoRaWAN module
	443	+* Ultra-long RF range
	444	+* Support LoRaWAN v1.0.4 protocol
	445	+* Support peer-to-peer protocol
	446	+* TCXO crystal to ensure RF performance on low temperature
	447	+* Spring RF antenna
	448	+* Available in different frequency LoRaWAN frequency bands.
	449	+* World-wide unique OTAA keys.
	450	+* AT Command via UART-TTL interface
	451	+* Firmware upgradable via UART interface
	452	+* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
	453	+
	454	+
	455	+
	456	+== 3.3  Specification ==
	457	+
	458	+* CPU: 32-bit 48 MHz
	459	+* Flash: 256KB
	460	+* RAM: 64KB
	461	+* Input Power Range: 5v
	462	+* Frequency Range: 150 MHz ~~ 960 MHz
	463	+* Maximum Power +22 dBm constant RF output
	464	+* High sensitivity: -148 dBm
	465	+* Temperature:
	466	+** Storage: -55 ~~ +125℃
	467	+** Operating: -40 ~~ +85℃
	468	+* Humidity:
	469	+** Storage: 5 ~~ 95% (Non-Condensing)
	470	+** Operating: 10 ~~ 95% (Non-Condensing)
	471	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	472	+* LoRa Rx current: <9 mA
	473	+
	474	+
	475	+
	476	+== 3.4  Pin Mapping & LED ==
	477	+
	478	+
	479	+
	480	+== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
	481	+
	482	+
	483	+(((
	484	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	485	+)))
	486	+
	487	+
	488	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
	489	+
	490	+
	491	+[[image:image-20220723100027-1.png]]
	492	+
	493	+
172	172	Open the serial port tool
173	173
174	174	[[image:image-20220602161617-8.png]]
175	175
176		-[[image:image-20220602161718-9.png||height="529" width="927"]]
	498	+[[image:image-20220602161718-9.png||height="457" width="800"]]
177	177
178		-Press the reset switch RST on the LA66 LoRa Shield.
179	179
180		-The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
181	181
182		-[[image:image-20220602161935-10.png]]
	502	+(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
183	183
184		-send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	504	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
185	185
	506	+
	507	+[[image:image-20220602161935-10.png||height="498" width="800"]]
	508	+
	509	+
	510	+
	511	+(% style="color:blue" %)**3. See Uplink Command**
	512	+
	513	+Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	514	+
186	186	example: AT+SENDB=01,02,8,05820802581ea0a5
187	187
188		-[[image:image-20220602162157-11.png]]
	517	+[[image:image-20220602162157-11.png||height="497" width="800"]]
189	189
190		-Check to see if TTN received the message
191	191
192		-[[image:image-20220602162331-12.png||height="547" width="1044"]]
193	193
194		-== Example Send & Get Messages via LoRaWAN in RPi ==
	521	+(% style="color:blue" %)**4. Check to see if TTN received the message**
195	195
196		-Connect the LA66 LoRa Shield to the RPI
	523	+[[image:image-20220602162331-12.png||height="420" width="800"]]
197	197
198		-[[image:image-20220602171233-2.png||height="592" width="881"]]
199	199
200		-Log in to the RPI's terminal and connect to the serial port
201	201
202		-[[image:image-20220602153146-3.png]]
	527	+== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
203	203
204		-Press the reset switch RST on the LA66 LoRa Shield.
205		-The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
206	206
207		-[[image:image-20220602154928-5.png]]
	530	+**Use python as an example：**[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py]]
208	208
209		-send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	532	+(**Raspberry Pi example: **[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py]])
210	210
	534	+(% style="color:red" %)**Preconditions:**
	535	+
	536	+(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
	537	+
	538	+(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
	539	+
	540	+
	541	+
	542	+(% style="color:blue" %)**Steps for usage:**
	543	+
	544	+(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	545	+
	546	+(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
	547	+
	548	+[[image:image-20220602115852-3.png||height="450" width="1187"]]
	549	+
	550	+
	551	+
	552	+== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
	553	+
	554	+
	555	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	556	+
	557	+
	558	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
	559	+
	560	+[[image:image-20220723100439-2.png]]
	561	+
	562	+
	563	+
	564	+(% style="color:blue" %)**2. Install Minicom in RPi.**
	565	+
	566	+(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
	567	+
	568	+ (% style="background-color:yellow" %)**apt update**
	569	+
	570	+ (% style="background-color:yellow" %)**apt install minicom**
	571	+
	572	+
	573	+Use minicom to connect to the RPI's terminal
	574	+
	575	+[[image:image-20220602153146-3.png||height="439" width="500"]]
	576	+
	577	+
	578	+
	579	+(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
	580	+
	581	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	582	+
	583	+
	584	+[[image:image-20220602154928-5.png||height="436" width="500"]]
	585	+
	586	+
	587	+
	588	+(% style="color:blue" %)**4. Send Uplink message**
	589	+
	590	+Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	591	+
211	211	example: AT+SENDB=01,02,8,05820802581ea0a5
212	212
213		-[[image:image-20220602160339-6.png]]
214	214
	595	+[[image:image-20220602160339-6.png||height="517" width="600"]]
	596	+
	597	+
	598	+
215	215	Check to see if TTN received the message
216	216
217		-[[image:image-20220602160627-7.png||height="468" width="1013"]]
	601	+[[image:image-20220602160627-7.png||height="369" width="800"]]
218	218
219		-=== Install Minicom ===
220	220
221		-Enter the following command in the RPI terminal
222	222
223		-apt update
	605	+== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
224	224
225		-[[image:image-20220602143155-1.png]]
226	226
227		-apt install minicom
	608	+=== 3.8.1  DRAGINO-LA66-APP ===
228	228
229		-[[image:image-20220602143744-2.png]]
230	230
231		-=== Send PC's CPU/RAM usage to TTN via script. ===
	611	+[[image:image-20220723102027-3.png]]
232	232
233		-==== Take python as an example： ====
234	234
235		-===== Preconditions: =====
236	236
237		-1.LA66 USB LoRaWAN Adapter works fine
	615	+==== (% style="color:blue" %)**Overview：**(%%) ====
238	238
239		-2.LA66 USB LoRaWAN Adapter  is registered with TTN
240	240
241		-===== Steps for usage =====
	618	+(((
	619	+DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Adapter and APP sample process. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Adapter.
	620	+)))
242	242
243		-1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	622	+(((
	623	+View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
	624	+)))
244	244
245		-2.Run the script and see the TTN
246	246
247		-[[image:image-20220602115852-3.png]]
248	248
	628	+==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
249	249
250	250
251		-== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
	631	+Requires a type-c to USB adapter
252	252
	633	+[[image:image-20220723104754-4.png]]
253	253
254		-== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
255	255
256		-
	636	+
	637	+==== (% style="color:blue" %)**Use of APP:**(%%) ====
	638	+
	639	+
	640	+Function and page introduction
	641	+
	642	+[[image:image-20220723113448-7.png||height="1481" width="670"]]
	643	+
	644	+
	645	+1.Display LA66 USB LoRaWAN Module connection status
	646	+
	647	+2.Check and reconnect
	648	+
	649	+3.Turn send timestamps on or off
	650	+
	651	+4.Display LoRaWan connection status
	652	+
	653	+5.Check LoRaWan connection status
	654	+
	655	+6.The RSSI value of the node when the ACK is received
	656	+
	657	+7.Node's Signal Strength Icon
	658	+
	659	+8.Set the packet sending interval of the node in seconds
	660	+
	661	+9.AT command input box
	662	+
	663	+10.Send AT command button
	664	+
	665	+11.Node log box
	666	+
	667	+12.clear log button
	668	+
	669	+13.exit button
	670	+
	671	+
	672	+LA66 USB LoRaWAN Module not connected
	673	+
	674	+[[image:image-20220723110520-5.png||height="903" width="677"]]
	675	+
	676	+
	677	+
	678	+Connect LA66 USB LoRaWAN Module
	679	+
	680	+[[image:image-20220723110626-6.png||height="906" width="680"]]
	681	+
	682	+
	683	+
	684	+=== 3.8.2  Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Adapter and integrate it into Node-RED ===
	685	+
	686	+
	687	+(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
	688	+
	689	+[[image:image-20220723134549-8.png]]
	690	+
	691	+
	692	+
	693	+(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
	694	+
	695	+Sample JSON file please go to this link to download：放置JSON文件的链接
	696	+
	697	+For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
	698	+
	699	+The following is the positioning effect map
	700	+
	701	+[[image:image-20220723144339-1.png]]
	702	+
	703	+
	704	+
	705	+== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	706	+
	707	+
	708	+The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
	709	+
	710	+Just use the yellow jumper cap to short the BOOT corner and the RX corner, and then press the RESET button (without the jumper cap, you can directly short the BOOT corner and the RX corner with a wire to achieve the same effect)
	711	+
	712	+[[image:image-20220723150132-2.png]]
	713	+
	714	+
	715	+
	716	+= 4.  Order Info =
	717	+
	718	+
	719	+**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
	720	+
	721	+
	722	+(% style="color:blue" %)**XXX**(%%): The default frequency band
	723	+
	724	+* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
	725	+* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
	726	+* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
	727	+* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
	728	+* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
	729	+* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
	730	+* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
	731	+* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
	732	+* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
	733	+
	734	+
	735	+= 5.  Reference =
	736	+
	737	+
	738	+* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]

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